Allow trailing comma in macro 2.0 declarations.

2019-08-01 21:07:47 +01:00 · 2019-08-01 21:07:47 +01:00 · cefbf4d7b5
commit cefbf4d7b5
parent 9152fe4ea0
1 changed files with 4 additions and 1 deletions
--- a/src/libsyntax/ext/tt/macro_rules.rs
+++ b/src/libsyntax/ext/tt/macro_rules.rs
@ -282,7 +282,10 @@ pub fn compile(
        quoted::TokenTree::Sequence(
            DelimSpan::dummy(),
            Lrc::new(quoted::SequenceRepetition {
-                tts: vec![quoted::TokenTree::token(token::Semi, def.span)],
+                tts: vec![quoted::TokenTree::token(
+                    if body.legacy { token::Semi } else { token::Comma },
+                    def.span,
+                )],
                separator: None,
                kleene: quoted::KleeneToken::new(quoted::KleeneOp::ZeroOrMore, def.span),
                num_captures: 0,